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<p>The text examples allow indentation. In python indentation
affects the logical meaning of the program.</p>
<p>However we can use python <strong>with</strong> statement to provide the indentation.</p>
<p>Here is the previous example using the <strong>with</strong> statement:</p>
<div class="highlight-python"><div class="highlight"><pre><span class="c">#!/usr/bin/env python2.7</span>
<span class="kn">import</span> <span class="nn">os</span>
<span class="kn">import</span> <span class="nn">ecflow</span>  

<span class="k">print</span> <span class="s">&quot;Creating suite definition&quot;</span>  
<span class="k">with</span> <span class="n">ecflow</span><span class="o">.</span><span class="n">Defs</span><span class="p">()</span> <span class="k">as</span> <span class="n">defs</span><span class="p">:</span> 
    
    <span class="k">with</span> <span class="n">defs</span><span class="o">.</span><span class="n">add_suite</span><span class="p">(</span><span class="s">&quot;test&quot;</span><span class="p">)</span> <span class="k">as</span> <span class="n">suite</span><span class="p">:</span>
        
        <span class="n">suite</span><span class="o">.</span><span class="n">add_variable</span><span class="p">(</span><span class="s">&quot;ECF_INCLUDE&quot;</span><span class="p">,</span> <span class="n">os</span><span class="o">.</span><span class="n">getenv</span><span class="p">(</span><span class="s">&quot;HOME&quot;</span><span class="p">)</span> <span class="o">+</span> <span class="s">&quot;/course&quot;</span><span class="p">)</span>
        <span class="n">suite</span><span class="o">.</span><span class="n">add_variable</span><span class="p">(</span><span class="s">&quot;ECF_HOME&quot;</span><span class="p">,</span>    <span class="n">os</span><span class="o">.</span><span class="n">getenv</span><span class="p">(</span><span class="s">&quot;HOME&quot;</span><span class="p">)</span> <span class="o">+</span> <span class="s">&quot;/course&quot;</span><span class="p">)</span>
        
        <span class="k">with</span> <span class="n">suite</span><span class="o">.</span><span class="n">add_family</span><span class="p">(</span><span class="s">&quot;f1&quot;</span><span class="p">)</span> <span class="k">as</span> <span class="n">f1</span><span class="p">:</span>
            <span class="n">f1</span><span class="o">.</span><span class="n">add_variable</span><span class="p">(</span><span class="s">&quot;SLEEP&quot;</span><span class="p">,</span> <span class="mi">20</span><span class="p">)</span>
            <span class="n">f1</span><span class="o">.</span><span class="n">add_task</span><span class="p">(</span><span class="s">&quot;t1&quot;</span><span class="p">)</span><span class="o">.</span><span class="n">add_meter</span><span class="p">(</span><span class="s">&quot;progress&quot;</span><span class="p">,</span> <span class="mi">1</span><span class="p">,</span> <span class="mi">100</span><span class="p">,</span> <span class="mi">90</span><span class="p">)</span>
            <span class="n">f1</span><span class="o">.</span><span class="n">add_task</span><span class="p">(</span><span class="s">&quot;t2&quot;</span><span class="p">)</span><span class="o">.</span><span class="n">add_trigger</span><span class="p">(</span><span class="s">&quot;t1 eq complete&quot;</span><span class="p">)</span><span class="o">.</span><span class="n">add_event</span><span class="p">(</span><span class="s">&quot;a&quot;</span><span class="p">)</span><span class="o">.</span><span class="n">add_event</span><span class="p">(</span><span class="s">&quot;b&quot;</span><span class="p">)</span>
            <span class="n">f1</span><span class="o">.</span><span class="n">add_task</span><span class="p">(</span><span class="s">&quot;t3&quot;</span><span class="p">)</span><span class="o">.</span><span class="n">add_trigger</span><span class="p">(</span><span class="s">&quot;t2:a&quot;</span><span class="p">)</span>  
            <span class="n">f1</span><span class="o">.</span><span class="n">add_task</span><span class="p">(</span><span class="s">&quot;t4&quot;</span><span class="p">)</span><span class="o">.</span><span class="n">add_trigger</span><span class="p">(</span><span class="s">&quot;t2 eq complete&quot;</span><span class="p">)</span><span class="o">.</span><span class="n">add_complete</span><span class="p">(</span><span class="s">&quot;t2:b&quot;</span><span class="p">)</span>  
            <span class="n">f1</span><span class="o">.</span><span class="n">add_task</span><span class="p">(</span><span class="s">&quot;t5&quot;</span><span class="p">)</span><span class="o">.</span><span class="n">add_trigger</span><span class="p">(</span><span class="s">&quot;t1:progress ge 30&quot;</span><span class="p">)</span>  
            <span class="n">f1</span><span class="o">.</span><span class="n">add_task</span><span class="p">(</span><span class="s">&quot;t6&quot;</span><span class="p">)</span><span class="o">.</span><span class="n">add_trigger</span><span class="p">(</span><span class="s">&quot;t1:progress ge 60&quot;</span><span class="p">)</span>  
            <span class="n">f1</span><span class="o">.</span><span class="n">add_task</span><span class="p">(</span><span class="s">&quot;t7&quot;</span><span class="p">)</span><span class="o">.</span><span class="n">add_trigger</span><span class="p">(</span><span class="s">&quot;t1:progress ge 90&quot;</span><span class="p">)</span> 
    
        <span class="k">with</span> <span class="n">suite</span><span class="o">.</span><span class="n">add_family</span><span class="p">(</span><span class="s">&quot;f2&quot;</span><span class="p">)</span> <span class="k">as</span> <span class="n">f2</span><span class="p">:</span>        
            <span class="n">f2</span><span class="o">.</span><span class="n">add_variable</span><span class="p">(</span><span class="s">&quot;SLEEP&quot;</span><span class="p">,</span> <span class="mi">20</span><span class="p">)</span>
            <span class="n">f2</span><span class="o">.</span><span class="n">add_task</span><span class="p">(</span><span class="s">&quot;t1&quot;</span><span class="p">)</span><span class="o">.</span><span class="n">add_time</span><span class="p">(</span> <span class="s">&quot;00:30 23:30 00:30&quot;</span> <span class="p">)</span>
            <span class="n">f2</span><span class="o">.</span><span class="n">add_task</span><span class="p">(</span><span class="s">&quot;t2&quot;</span><span class="p">)</span><span class="o">.</span><span class="n">add_day</span><span class="p">(</span> <span class="s">&quot;sunday&quot;</span> <span class="p">)</span>
            <span class="n">f2</span><span class="o">.</span><span class="n">add_task</span><span class="p">(</span><span class="s">&quot;t3&quot;</span><span class="p">)</span><span class="o">.</span><span class="n">add_date</span><span class="p">(</span><span class="mi">1</span><span class="p">,</span> <span class="mi">0</span><span class="p">,</span> <span class="mi">0</span><span class="p">)</span><span class="o">.</span><span class="n">add_time</span><span class="p">(</span> <span class="mi">12</span><span class="p">,</span> <span class="mi">0</span> <span class="p">)</span>
            <span class="n">f2</span><span class="o">.</span><span class="n">add_task</span><span class="p">(</span><span class="s">&quot;t4&quot;</span><span class="p">)</span><span class="o">.</span><span class="n">add_time</span><span class="p">(</span> <span class="mi">0</span><span class="p">,</span> <span class="mi">2</span><span class="p">,</span> <span class="bp">True</span> <span class="p">)</span>
            <span class="n">f2</span><span class="o">.</span><span class="n">add_task</span><span class="p">(</span><span class="s">&quot;t5&quot;</span><span class="p">)</span><span class="o">.</span><span class="n">add_time</span><span class="p">(</span> <span class="mi">0</span><span class="p">,</span> <span class="mi">2</span> <span class="p">)</span>
            
    <span class="k">print</span> <span class="n">defs</span>

    <span class="k">print</span> <span class="s">&quot;Checking job creation: .ecf -&gt; .job0&quot;</span>   
    <span class="k">print</span> <span class="n">defs</span><span class="o">.</span><span class="n">check_job_creation</span><span class="p">()</span>

    <span class="k">print</span> <span class="s">&quot;Saving definition to file &#39;test.def&#39;&quot;</span>
    <span class="n">defs</span><span class="o">.</span><span class="n">save_as_defs</span><span class="p">(</span><span class="s">&quot;test.def&quot;</span><span class="p">)</span>
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